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2. Laser level - Wikipedia

   en.wikipedia.org/wiki/Laser_level

   The concept of a laser level has been around since at least the early 1970s, [2] the original spinning-mirror design laser plane and line level was patented by the late 1980s, [3] and the compact lens-based laser line level (as produced by many tool manufacturers today) was patented in the late 1990s. It was invented by Oscar Soliz in the late ...

3. Level (optical instrument) - Wikipedia

   en.wikipedia.org/wiki/Level_(optical_instrument)

   The Y level or wye level is the oldest and bulkiest of the older style optical instruments. A low-powered telescope is placed in a pair of clamp mounts, and the instrument then leveled using a spirit level, which is mounted parallel to the main telescope. The term dumpy level (also builder's level) endures despite the evolution in design. They ...

4. Laser rangefinder - Wikipedia

   en.wikipedia.org/wiki/Laser_rangefinder

   A laser rangefinder, also known as a laser telemeter, is a rangefinder that uses a laser beam to determine the distance to an object. The most common form of laser rangefinder operates on the time of flight principle by sending a laser pulse in a narrow beam towards the object and measuring the time taken by the pulse to be reflected off the ...

5. The best tech for adults over 65 we spotted at CES this year

   www.aol.com/lifestyle/ces-2025-aging-in-place...

   The camera offers an 87-degree view and can rotate 360 degrees. The Kami Fall Detect Camera costs $99, plus a $45/month subscription service that includes professional monitoring to verify falls ...

6. Shop the latest Trends and Deals - AOL.com

   www.aol.com/shop

   Get lifestyle news, with the latest style articles, fashion news, recipes, home features, videos and much more for your daily life from AOL.

7. Most accurate ultrasound test ‘can detect 96% of women with ...

   www.aol.com/most-accurate-ultrasound-test-detect...

   The most accurate ultrasound test can detect 96% of ovarian cancers in postmenopausal women, new research suggests. The findings indicate that the test should replace the current standard of care ...